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A Review of Migratory Bird Flyways and Priorities for Management - TS No. 27
… for migratory birds. All bird species are exposed to disease, which sometimes causes great mortality and are … particular are prone to periodic outbreaks of infectious disease (e.g. botulism) at sites where they congregate at any … Conversely the role of domestic birds in transmitting the disease to vulnerable wild species (e.g. up to 10% of world …